O Level Biology Study App | Nutrition Vitamins MCQs e-Book PDF
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O Level Biology MCQs – Certification Test 246

Nutrition Vitamins MCQs (Question 246) – App & e-Book Download

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MCQ 246: Lack of vitamin B may result in:

  1. poor eye sight
  2. dull skin
  3. tooth decay
  4. poor cellular respiration

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